Answers

Add 75/63 and 1/21

1^st number: 1 12/63, 2^nd number: 1/21

75/63 + 1/21 is 26/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 21 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   75/63 = 75 × 1/63 × 1 = 75/63
3. Likewise, for the 2nd fraction, since 21 × 3 = 63,
   1/21 = 1 × 3/21 × 3 = 3/63
4. Add the two like fractions:
   75/63 + 3/63 = 75 + 3/63 = 78/63
5. 78/63 simplified gives 26/21
6. So, 75/63 + 1/21 = 26/21
   In mixed form: 15/21

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